Update package.json

Author: iliakan

package.json

@@ -43,6 +43,7 @@
     "koa-mount": "^3",
     "koa-router": "^7",
     "koa-static": "^5",
+    "@trysound/sax": "^0.2.0",
     "limax": "^2.0.0",
     "lodash": "*",
     "markdown-it": "*",